Home / Metals / Stainless Steel / Type 440 (UNS S44000) Type 440 (UNS S44000) Get A Free Quote Now! Description Description Equivalent Materials to Stainless steel UNS S31603 as a PDF file Download as a PDF file Get A Free Quote Now! Your Name (required) Your Email (required) Subject Your Message Related products Type 301 (UNS S30100/1.4310) Type 303 (UNS S30300/1.4305) Type 303Se (UNS S30323/JIS SUS303Se)